Check the story below:
NYC Firefighter, Mugged And Stabbed For BitcoinWhat does this mean for bitcoin?
Do you think Bitcoin has reached so far that one have to steal the cryptocurrency physically?
Do you think Bitcoin is nearing the mainstream acceptance?
this doesn't mean anything for bitcoin, if anything (as dany mentioned) it proves it is valuable. besides it is as the result of people being lets say careless [or stupid]